Finding the Fourth Proportional to 216,353.76, 298,548.05 and 125,708.76
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Solution
The fourth proportional to 216,353.76, 298,548.05 and 125,708.76 is: 173,466.39
Step by Step Solution
- Step 1: Write the proportion equation
216,353.76 : 298,548.05 = 125,708.76 : x - Step 2: Convert to fraction form
216,353.76/298,548.05 = 125,708.76/x - Step 3: Cross multiply
216,353.76x = 298,548.05 × 125,708.76 - Step 4: Simplify right side
216,353.76x = 37,530,105,598.04 - Step 5: Solve for x
x = 37,530,105,598.04/216,353.76 - Step 6: Final answer
x = 173,466.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.